TY - JOUR AU - Billangeon, P-M AU - Nakamura, Y. PY - 2011 DA - 2011// TI - Superconducting devices: Quantum cups and balls T2 - Nat. Phys. JO - Nature Physics SP - 594 EP - 595 VL - 7 IS - 8 KW - fromIPMRAS AB - A single microwave photon in a superposition of two states of different frequency is now demonstrated using a superconducting quantum interference device to mediate the coupling between two harmonics of a resonator. Such quantum circuits bring closer the possibility of controlling photon-photon interactions at the single-photon level. N1 - exported from refbase (https://db.rplab.ru/refbase/show.php?record=820), last updated on Sat, 12 May 2012 14:54:37 -0500 ID - Billangeon+Nakamura2011 ER -